com.deange.textfaker.ui.dialog.MessageSenderDialog.java Source code

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Here is the source code for com.deange.textfaker.ui.dialog.MessageSenderDialog.java

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/*
 * Copyright 2013 Christian De Angelis
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.deange.textfaker.ui.dialog;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;

import com.deange.textfaker.R;

public class MessageSenderDialog extends PatchedDialogFragment<MessageSenderDialog.Callback>
        implements DialogInterface.OnClickListener {

    public static final String TAG = MessageSenderDialog.class.getSimpleName();
    private Callback mCallback = Fallback.INSTANCE;
    private String mPersonName;

    private MessageSenderDialog(final String personName) {
        mPersonName = personName;
    }

    public static void show(MessageSenderDialog dialog, final Callback callback, final FragmentManager manager,
            final String personName) {

        final FragmentTransaction transaction = manager.beginTransaction();
        if (dialog != null) {
            transaction.remove(dialog);
        }

        // Create and show the dialog.
        dialog = MessageSenderDialog.createInstance(personName);
        dialog.setCallback(callback);
        dialog.show(transaction, MessageSenderDialog.TAG);

    }

    public static MessageSenderDialog createInstance(final String personName) {
        Log.v(TAG, "createInstance()");

        final MessageSenderDialog dialog = new MessageSenderDialog(personName);
        dialog.setRetainInstance(true);
        return dialog;
    }

    @Override
    public Dialog onCreateDialog(final Bundle savedInstanceState) {
        Log.v(TAG, "onCreateDialog()");

        return new AlertDialog.Builder(getActivity()).setTitle(R.string.dialog_sender_title)
                .setPositiveButton(R.string.dialog_sender_yourself, this).setNegativeButton(mPersonName, this)
                .create();
    }

    public void setCallback(final Callback callback) {
        Log.v(TAG, "setCallback()");

        mCallback = (callback == null) ? Fallback.INSTANCE : callback;
    }

    @Override
    public void onClick(final DialogInterface dialog, final int which) {
        Log.v(TAG, "onClick()");

        switch (which) {
        case DialogInterface.BUTTON_POSITIVE:
            mCallback.onMessageSenderChosen(Sender.YOURSELF);
            break;
        case DialogInterface.BUTTON_NEGATIVE:
            mCallback.onMessageSenderChosen(Sender.OTHERPERSON);
            break;
        }
    }

    public enum Sender {
        YOURSELF, OTHERPERSON
    }

    public interface Callback {
        public void onMessageSenderChosen(final Sender messageSender);
    }

    private static final class Fallback implements Callback {
        private static final Callback INSTANCE = new Fallback();

        @Override
        public void onMessageSenderChosen(final Sender messageSender) {
            Log.w(TAG, "Fallback: onMessageSenderChosen()");
        }

    }
}